“Wow. For you trolls out there, the phrase ‘Vive La France’ is the traditional expression of SUPPORT for France. Don’t misinterpret my words,” he tweeted.

“Lived in France, and spend a ton of time there. Been in that stadium. This is all so devastatingly sad for a place I love. #FrenchPrayers,” he added.

Lowe’s comment about the borders of France touches on a major French vulnerability.

“While French immigration and customs authorities have already been clamping down on border controls since the flood of migrants from Syria and Africa began, it’s clear that these measures have not been sufficient to keep all migrants from either coming or going,” wrote Sylvia Longmire.

For example, Rep. Ed Royce, R-Calif., told CNN on Friday night that 185 French Muslims have returned home after fighting in the Middle East.

“Entry into Europe and movement across national boundaries is relatively easy, as demonstrated by the migrant crisis on the continent this year,” analyst Greg Myre wrote.

“There’s no indication that the migrant influx has led to terror attacks. But the huge flow has shown that there’s no real obstacle to moving across borders,” he wrote. “Weapons are far less available in Europe than in the United States, but the Paris attackers reportedly had automatic rifles, grenades and suicide vests.”